CN212393835U - Cigarette quality detection system - Google Patents

Abstract

The utility model discloses a cigarette quality detection system, which comprises a cigarette strip forming component, a chopper device, a cigarette direction adjusting device, a PLC controller, a microwave scanner, a coder, an optical fiber detector and a solenoid valve, wherein the microwave scanner is arranged on the cigarette strip forming component, scans the cigarette strip and outputs a voltage signal to the PLC controller; the optical fiber detector is used for detecting the first cigarette after starting up and sending a detection signal to the PLC; the riving knife device is used for cutting the tobacco rod into cigarettes; the encoder triggers a pulse signal when the cigarette direction adjusting device rotates and sends the pulse signal to the PLC; the electromagnetic valve is connected with the compressed air pipe and the compressed air nozzle and is controlled to be closed/opened by the PLC; the compressed air nozzle faces the cigarette direction adjusting device. The utility model provides a current compounding machine do not possess the product quality and detect the problem that the function leads to unqualified product to flow in low reaches process, improve the product percent of pass of heating incombustible cigarette.

Description

Cigarette quality detection system

Technical Field

The utility model relates to a cigarette quality testing technical field, specific cigarette quality testing system that says so.

Background

The hollow heating non-combustion cigarette is a novel heating non-combustion cigarette, which consists of a filter tip, a hollow tube and a thin tobacco shred section, as shown in figure 1, the hollow tube is a hollow tube formed by rolling three layers of cigarette paper, and the hollow tube mainly has the functions of adjusting the suction resistance, improving the hardness of the heating non-combustion cigarette and ensuring the forming effect. The production process flow of the hollow heating non-burning cigarette comprises the following steps: 1. prefabricating a filter tip rod (left section), a hollow pipe (middle section) and a sheet tobacco shred section (right section); 2. splicing the hollow tube and the thin tobacco sheet section by using a first compound machine to form a cigarette section; 3. splicing the filter rod and the cigarette section by a second compound machine; at this point, the hollow heating non-combustion cigarette is rolled and formed. However, when the hollow tube and the thin tobacco shred section are spliced and rolled by the compound machine, quality problems such as large splicing gap, reverse splicing of the hollow tube and the tobacco shred section, breakage of the hollow tube and the like often occur, and the existing compound machine does not have a product quality detection function, so that unqualified products flow into a downstream process, and the cigarette quality is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cigarette quality detection system for solve among the prior art compounding machine at the concatenation, when rolling up system hollow tube and thin slice tobacco section, often can appear that the concatenation clearance is big, hollow tube and tobacco section concatenation are reverse and the hollow tube breaks scheduling quality problems and because do not have the corresponding problem that detects the function and lead to unqualified product to flow in the problem of low reaches process, with the product percent of pass that improves the incombustible cigarette of heating.

The utility model discloses a following technical scheme solves above-mentioned problem:

the utility model provides a cigarette quality detection system, includes cigarette strip shaping subassembly, chopper device and cigarette accent to the device, still include the PLC controller and with microwave scanner, encoder, optical fiber detector and the solenoid valve that the PLC controller electricity is connected, wherein:

the microwave scanner is arranged on the cigarette rod forming assembly and used for scanning the cigarette rods output by the cigarette rod forming assembly and outputting voltage signals to the PLC;

the optical fiber detector is positioned between the riving knife device and the microwave scanner and used for detecting the first cigarette after starting up and sending a detection signal to the PLC; the riving knife device is used for cutting the tobacco rod into cigarettes;

the encoder is arranged on the cigarette direction adjusting device, and triggers a pulse signal and sends the pulse signal to the PLC when the cigarette direction adjusting device rotates; when the cigarette direction adjusting device rotates, the riving knife device cuts the cigarette sticks to form cigarettes which are adjusted from a linear arrangement to a side-by-side arrangement;

the electromagnetic valve is connected with the compressed air pipe and the compressed air nozzle and is controlled to be closed/opened by the PLC; the compressed air nozzle faces the cigarette direction adjusting device.

The microwave scanner converts the density information of the cigarettes into voltage signals with different amplitudes. According to the sequence of the thin tobacco sheet section, the splicing gap and the hollow pipe of the cigarette, in a signal period, the voltage signal respectively comprises the detection signal amplitude of the thin tobacco sheet section, the detection signal width of the splicing gap and the detection signal amplitude of the hollow pipe. The quality problem of the thin tobacco sheet section, the splicing gap or the hollow pipe can be judged according to the detected detection signal amplitude of the thin tobacco sheet section, the detection signal width of the splicing gap, the detection signal amplitude of the hollow pipe and whether the amplitudes are in the preset range. If one cigarette has quality problem, the cigarette is judged to be unqualified. The PLC outputs a control signal to the electromagnetic valve, and the electromagnetic valve enables compressed air to pass through the valve body and be sprayed out from the compressed air spray head to blow out the cigarettes on the cigarette direction adjusting device. The number of pulses sent by the first cigarette detected by the cigarette combining with the optical fiber detector and the encoder is positioned, the number of cigarettes on the current cigarette direction adjusting device can be known, the PLC controls the number of pulses received by the encoder to record, and finally the time for starting the electromagnetic valve is determined according to the number of periods of the voltage signal input by the microwave scanner and a control signal is output. The solenoid valve is connected with a compressed air pipe and a compressed air nozzle, and the compressed air nozzle blows out unqualified cigarettes.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the utility model discloses a microwave scanning cigarette density and conversion voltage signal PLC controller judge unqualified cigarette according to voltage amplitude to combine the first cigarette of fiber detector location and the pulse positioning cigarette of encoder to prop up, start solenoid valve switch-on compressed air pipe and compressed air shower nozzle, blow off unqualified cigarette, realize detecting and reject unqualified cigarette, promoted the cigarette quality that gets into low reaches process.

(2) The utility model provides a current compounding machine do not possess the product quality and detect the problem that the function leads to unqualified product to flow in low reaches process, improve the product percent of pass of heating incombustible cigarette.

Drawings

FIG. 1 is a schematic view of a cigarette;

FIG. 2 is a block diagram of the system of the present invention;

fig. 3 is a circuit connection block diagram of the present invention;

FIG. 4 is a diagram illustrating a relationship between a voltage signal and a threshold;

wherein, 1-microwave scanner; 2-a fiber optic detector; 3-a riving knife device; 4-cigarette direction regulating device; 5-an encoder; 6-electromagnetic valve; 7-compressed air pipe; 8-compressed air spray head; 9-tobacco rod; 10-cigarette; and 11-a PLC controller.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Example (b):

with reference to fig. 2 and 3, the cigarette quality detection system comprises a cigarette rod forming assembly, a chopper device 3, a cigarette direction adjusting device 4, a PLC (programmable logic controller) 11, a microwave scanner 1 electrically connected with the PLC 11, an encoder 5, an optical fiber detector 2 and an electromagnetic valve 6, wherein:

the microwave scanner 1 is arranged on the cigarette rod forming assembly and used for scanning the cigarette rods output by the cigarette rod forming assembly and outputting voltage signals to the PLC 11;

the optical fiber detector 2 is positioned between the riving knife device 3 and the microwave scanner 1 and used for detecting the first cigarette after starting up and sending a detection signal to the PLC 11; the riving knife device 3 is used for cutting the tobacco rod 9 into cigarettes 10;

the encoder 5 is arranged on the cigarette direction adjusting device 4, triggers a pulse signal when the cigarette direction adjusting device 4 rotates and sends the pulse signal to the PLC 11; when the cigarette direction adjusting device 4 rotates, the riving knife device 3 cuts the cigarette sticks 9 to form cigarettes 10 which are adjusted from a linear arrangement to a side-by-side arrangement;

the electromagnetic valve 6 is connected with a compressed air pipe 7 and a compressed air spray head 8 and is controlled to be closed/opened by the PLC 11; the compressed air nozzle 8 faces the cigarette direction adjusting device 4.

The microwave scanner 1 converts the density information of the cigarettes into voltage signals with different amplitudes. According to the sequence of the thin slice tobacco section, the splicing gap and the hollow tube of the cigarette 10, in a signal period, the voltage signal respectively comprises the detection signal amplitude P of the thin slice tobacco section_yThe width d of the detection signal of the splicing gap and the amplitude P of the detection signal of the hollow tube_k. The quality problem of the thin tobacco sheet section, the splicing gap or the hollow pipe can be judged according to the detected detection signal amplitude of the thin tobacco sheet section, the detection signal width of the splicing gap, the detection signal amplitude of the hollow pipe and whether the amplitudes are in the preset range.

For example, as shown in FIG. 4: setting the detection signal amplitude P of the thin slice tobacco section of the qualified cigarette_kP1 is more than or equal to P_kNot less than P2, the width d of the detection signal of the splicing gap satisfies d1 not less than d2, the amplitude P of the detection signal of the hollow tube_yWhether P3 is satisfied or not_yThe density of the shredded tobacco sections is P1, the density of the shredded tobacco sections is P2, the density of the shredded tobacco sections is P3, the density of the hollow tube is P4, the density of the hollow tube is D1, the density of the splicing gap is D2, and the density of the shredded tobacco sections is P4.

When it occurs:

P_y>at P1, the quality problem of foreign matters mixed in the cut tobacco pieces of the thin slices can occur;

P_y<p2, quality problems may arise in which the sheet tobacco segment is spliced against the hollow tube;

P_k>p3, the quality problem that foreign matters are mixed in the hollow pipe or the tobacco shred section is spliced reversely with the hollow pipe may occur;

P_k<p4, a quality problem of hollow tube breakage may occur;

when d > d1, quality problems with too large splice gaps may occur;

with d < d2, quality problems with too small a splice gap may occur.

Therefore, when P is_y、P_kAnd d, if any one of the cigarette rods appears outside the set range, judging the cigarette is unqualified.

Through the device for detecting the quality of the hollow heating non-combustible cigarette, the quality problems of large splicing gap, reverse splicing, breakage of a hollow pipe and the like in the production process of the hollow heating non-combustible cigarette can be effectively detected, unqualified cigarettes are removed, and the quality of the heating non-combustible cigarette is improved.

Although the present invention has been described herein with reference to the illustrated embodiments thereof, which are merely preferred embodiments of the present invention, it is to be understood that the present invention is not limited thereto, and that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure.

Claims (1)

1. The utility model provides a cigarette quality detection system, includes cigarette strip shaping subassembly, chopper device and cigarette accent to the device, its characterized in that, still include the PLC controller and with microwave scanner, encoder, optical fiber detector and the solenoid valve that the PLC controller electricity is connected, wherein:

the microwave scanner is arranged on the cigarette rod forming assembly and used for scanning the cigarette rods output by the cigarette rod forming assembly and outputting voltage signals to the PLC;

the optical fiber detector is positioned between the riving knife device and the microwave scanner and used for detecting the first cigarette after starting up and sending a detection signal to the PLC; the riving knife device is used for cutting the tobacco rod into cigarettes;

the encoder is arranged on the cigarette direction adjusting device, and triggers a pulse signal and sends the pulse signal to the PLC when the cigarette direction adjusting device rotates; when the cigarette direction adjusting device rotates, the riving knife device cuts the cigarette sticks to form cigarettes which are adjusted from a linear arrangement to a side-by-side arrangement;

the electromagnetic valve is connected with the compressed air pipe and the compressed air nozzle and is controlled to be closed/opened by the PLC; the compressed air nozzle faces the cigarette direction adjusting device.

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